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boyandgirlnames

Kenji

Boy name

US rank
#943
Syllables
2
Peak
#749 in 1978

249 babies were named Kenji in the US in 2025. It has dropped 33 places in five years.

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US births per million boys, 1913–2025

01002001913196020002025

Most popular states (2025)

HI rank #126NV rank #443WI rank #484WA rank #576CA rank #582

Similar names

Popularity: U.S. Social Security Administration (babies with 5+ births per year).

Did you know?

A few things about Kenji you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.

Kenji Mizoguchi

Famous Kenji

Kenji Mizoguchi

Japanese film director and screenwriter (1898-1956)

Choose Kenji and your child shares a first name with Kenji Mizoguchi, a Japanese film director and screenwriter. A ready-made answer when someone asks “Kenji, like who?” Kenji Mizoguchi's Wikipedia article is available in 51 languages, a good sign of just how widely known they are.

Read about Kenji Mizoguchi on Wikipedia (opens in a new tab)

Photo: Unknown authorUnknown author, Public domain (opens in a new tab), via Wikimedia Commons

  • How commonAbout 1 in every 6,859 baby boys born in the US in 2025 was named Kenji, 249 babies in all. In a typical school of 500 kids, your Kenji would very likely be the only one.
  • HistoryKenji first shows up in US birth records in 1913, the first year at least 5 babies got it. It has been in use for 112 years since.
  • Best yearIts best year was 1978, when it reached #749.
  • Then vs nowKenji is 5.5× more common today than it was in 2000. In 2000 it was given to about 1 in 37,736 baby boys; in 2025, about 1 in 6,859.
  • TrendKenji has slipped 33 places over the last five years and now sits at #943. Good news if you want a familiar name that fewer kids will share.
  • Where it's lovedKenji is most popular in Hawaii, where it ranks #126, followed by Nevada (#443) and Wisconsin (#484). It's in the top 1,000 in 13 states.

About the name Kenji

Kenji is a boy name. It has 5 letters and 2 syllables, starting with K and ending in “-nji”. US birth records list Kenji for boys from 1913 to 2025, in 99 of those 113 years. Its best year was 1978, when it ranked #749 among boy names. In 2025 it ranked #943, with 249 babies.

Kenji for boys, by decade
DecadeBabies per millionAbout 1 in
1910s1471,211 boys
1920s1951,600 boys
1930s9.1110,132 boys
1940s1.8564,972 boys
1950s0.81,176,471 boys
1960s5.6179,533 boys
1970s2638,314 boys
1980s2051,046 boys
1990s2245,809 boys
2000s4422,538 boys
2010s6914,516 boys
2020s1636,128 boys

Questions about the name Kenji

Is Kenji a boy or girl name?

Kenji is a boy name.

How popular is the name Kenji?

Kenji ranked #943 for US boys in 2025, given to 249 babies. Its best year was 1978 (#749).